<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDQvYzE5NjY1YjUtZmYyNy00N2VjLThjM2UtNGFkZmNiNDFlMWE0LmpwZw==.jpg"></p><p>Custodia Bank is challenging a lower court’s ruling in its battle for a Federal Reserve master account.</p>